On or about Monday, March 27, through Wednesday, March 29, night time lane closures will take place on the eastbound Dulles International Airport Access Highway (DIAAH) between the Route 28 overpass and the Centreville Road bridge for the installation of an overhead sign. Between midnight and 5 a.m. on Thursday, March 30, 20 minute stoppages will occur. More detailed information follows below:

A single right lane closure on the eastbound DIAAH will begin at 7 p.m. from mile marker 1.5 to mile marker 2.3. See Figure 1.

On Thursday, March 30, 20 minute stoppages will occur on the eastbound DIAAH between midnight and 5 a.m.

All lanes will be reopened to traffic by 5 a.m. each morning.

Figure 1: Lane closures and 20 minute stoppages on the EB DIAAH.

On or about Monday, March 27 through Friday, March 31, night time lane closures will take place on the westbound Dulles International Airport Access Highway (DIAAH) and Dulles Toll Road (DTR) between the Route 28 and Monroe Street overpasses for the installation of several overhead signs. Between midnight and 5 a.m. on Friday, March 31 and Saturday, April 1, 20 minute stoppages will occur. More detailed information follows below:

A single right lane closure on westbound DIAAH will begin at 7 p.m. from mile marker 3.3 to mile marker 1.9 (from just west of the Monroe Street overpass to 7/10 mile before the Route 28 overpass). See Figure 2.

On Friday, March 31 and Saturday, April 1 between midnight and 5 a.m., several 20 minute stoppages will occur.